By Denise Reynolds RD for eMaxHealth.com
For every female that has classic autism there are four males. When including the entire spectrum of autism disorders, boys are diagnosed 10 times more often than girls. Researchers from George Washington University an found a gene that is affected by the sex hormones, which may help better explain the gender differences in autism rates.
RORA Gene Function Suppressed by Testosterone
Valerie Hu, a professor of biochemistry and molecular biology, and colleagues at GWU’s School of Medicine and Health Sciences studied a gene implicated in autism called retinoic acid-related orphan receptor-alpha, or RORA. Previous research has found that RORA is important for the development of the cerebellum and that the brains of people with autism expressed less of it than normal.
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